Simple CheckSum in python

hey everyone, its too long i have dont contributed in world of computer security. okey now i will share again my simple script to check MD5 and SHA1 CheckSum in file
# This Tool for checking file signature in MD5 and SHA1
# Thanks: mywisdom, whitehat, patriot, zee, flyff666
# Visit Us in http://codewall-security
# My Blog http://devilz-kiddies.blogspot.com
# My Website http://notoshuri.com
# ich sehr liebe, sehr brauche, sehr vermisse dich honig

import sys
import hashlib

print '''
    ---------------------------------------------#
    # Simple MD5 and SHA1 CheckSum               #
    # Author Kiddies A.k.A peneter A.k.A Hadrian #
    # Copyright 2012                             #
    ----------------------------------------------
    '''

try:
    file = sys.argv[1]
    doc = open(file,'rb')
    data = doc.read()
    print 'MD5 CheckSum'
    print hashlib.md5(data).hexdigest()
    print 'SHA1 CheckSum'
    print hashlib.sha1(data).hexdigest()
except:
    print >> sys.stderr, "SCheckSum.py < file >"
 this is a screenshoot





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